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Annotation of GNUtools/cc/config/i386/386bsd.h, revision 1.1.1.1

1.1       root        1: /* Configuration for an i386 running 386BSD as the target machine.  */
                      2: 
                      3: /* This is tested by i386gas.h.  */
                      4: #define YES_UNDERSCORES
                      5: 
                      6: #include "i386/gstabs.h"
                      7: 
                      8: /* Get perform_* macros to build libgcc.a.  */
                      9: #include "i386/perform.h"
                     10: 
                     11: #undef CPP_PREDEFINES
                     12: #define CPP_PREDEFINES "-Dunix -Di386 -D____386BSD____ -D__386BSD__ -DBSD_NET2 -Asystem(unix) -Asystem(bsd) -Acpu(i386) -Amachine(i386)"
                     13: 
                     14: /* Like the default, except no -lg.  */
                     15: #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
                     16: 
                     17: #undef SIZE_TYPE
                     18: #define SIZE_TYPE "unsigned int"
                     19: 
                     20: #undef PTRDIFF_TYPE
                     21: #define PTRDIFF_TYPE "int"
                     22: 
                     23: #undef WCHAR_TYPE
                     24: #define WCHAR_TYPE "short unsigned int"
                     25: 
                     26: #define WCHAR_UNSIGNED 1
                     27: 
                     28: #undef WCHAR_TYPE_SIZE
                     29: #define WCHAR_TYPE_SIZE 16
                     30: 
                     31: /* 386BSD does have atexit.  */
                     32: 
                     33: #define HAVE_ATEXIT
                     34: 
                     35: /* Redefine this to use %eax instead of %edx.  */
                     36: #undef FUNCTION_PROFILER
                     37: #define FUNCTION_PROFILER(FILE, LABELNO)  \
                     38: {                                                                      \
                     39:   if (flag_pic)                                                                \
                     40:     {                                                                  \
                     41:       fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n",             \
                     42:               LPREFIX, (LABELNO));                                     \
                     43:       fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n");                   \
                     44:     }                                                                  \
                     45:   else                                                                 \
                     46:     {                                                                  \
                     47:       fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO));     \
                     48:       fprintf (FILE, "\tcall mcount\n");                               \
                     49:     }                                                                  \
                     50: }
                     51: 
                     52: /* There are conflicting reports about whether this system uses
                     53:    a different assembler syntax.  [email protected] says # is right.  */
                     54: #undef COMMENT_BEGIN
                     55: #define COMMENT_BEGIN "#"
                     56: 
                     57: #undef ASM_APP_ON
                     58: #define ASM_APP_ON "#APP\n"
                     59: 
                     60: #undef ASM_APP_OFF
                     61: #define ASM_APP_OFF "#NO_APP\n"
                     62: 
                     63: /* The following macros are stolen from i386v4.h */
                     64: /* These have to be defined to get PIC code correct */
                     65: 
                     66: /* This is how to output an element of a case-vector that is relative.
                     67:    This is only used for PIC code.  See comments by the `casesi' insn in
                     68:    i386.md for an explanation of the expression this outputs. */
                     69: 
                     70: #undef ASM_OUTPUT_ADDR_DIFF_ELT
                     71: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
                     72:   fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
                     73: 
                     74: /* Indicate that jump tables go in the text section.  This is
                     75:    necessary when compiling PIC code.  */
                     76: 
                     77: #define JUMP_TABLES_IN_TEXT_SECTION
                     78: 
                     79: /* Don't default to pcc-struct-return, because gcc is the only compiler, and
                     80:    we want to retain compatibility with older gcc versions.  */
                     81: #define DEFAULT_PCC_STRUCT_RETURN 0

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